Search Error - Bad Request - null_pointer_exception

With some searches I’m getting a Search Error - Bad Request message. Details:

null_pointer_exception
null

_construct@https://osdash.nwra.com:5601/2292/bundles/core/core.entry.js:6:4859
Wrapper@https://osdash.nwra.com:5601/2292/bundles/core/core.entry.js:6:4249
_createSuperInternal@https://osdash.nwra.com:5601/2292/bundles/core/core.entry.js:6:3388
HttpFetchError@https://osdash.nwra.com:5601/2292/bundles/core/core.entry.js:6:6016
_callee3$@https://osdash.nwra.com:5601/2292/bundles/core/core.entry.js:6:59862
tryCatch@https://osdash.nwra.com:5601/2292/bundles/plugin/queryWorkbenchDashboards/queryWorkbenchDashboards.plugin.js:1:30543
invoke@https://osdash.nwra.com:5601/2292/bundles/plugin/queryWorkbenchDashboards/queryWorkbenchDashboards.plugin.js:1:34502
defineIteratorMethods/</<@https://osdash.nwra.com:5601/2292/bundles/plugin/queryWorkbenchDashboards/queryWorkbenchDashboards.plugin.js:1:31682
fetch_asyncGeneratorStep@https://osdash.nwra.com:5601/2292/bundles/core/core.entry.js:6:52965
_next@https://osdash.nwra.com:5601/2292/bundles/core/core.entry.js:6:53305

Server log:

opensearch-dashboards[59784]: {"type":"log","@timestamp":"2022-05-05T22:11:20Z","tags":["error","opensearch","data"],"pid":59784,"message":"[search_phase_execution_exception]: "}